How does the thyroid manage your metabolism? is the question driving a TED-Ed lesson about the importance of the thyroid in the human body. The short video provides a good definition of metabolism then goes on to explain how the thyroid influences metabolism. Explanations of and examples of hypothyroidism and hyperthyroidism conclude the lesson. The complete lesson and guiding questions can be found here.
Applications for Education
I've added this video to a playlist of five other TED-Ed lessons about how the human body works. The playlist could be helpful as introductory material for a middle school or high school biology class.